United Nations Economic Commission for Europe. (1989). Forest Products Markets in 1989 and Prospects for 1990: Timber Bulletin. UN.
Чикаго маягийн жагсаалтUnited Nations Economic Commission for Europe. Forest Products Markets in 1989 and Prospects for 1990: Timber Bulletin. New York: UN, 1989.
MLA ишлэлUnited Nations Economic Commission for Europe. Forest Products Markets in 1989 and Prospects for 1990: Timber Bulletin. UN, 1989.
Warning: These citations may not always be 100% accurate.